DE60304213D1 - CLASS-D AMPLIFIER - Google Patents

CLASS-D AMPLIFIER

Info

Publication number
DE60304213D1
DE60304213D1 DE60304213T DE60304213T DE60304213D1 DE 60304213 D1 DE60304213 D1 DE 60304213D1 DE 60304213 T DE60304213 T DE 60304213T DE 60304213 T DE60304213 T DE 60304213T DE 60304213 D1 DE60304213 D1 DE 60304213D1
Authority
DE
Germany
Prior art keywords
amplifier
class
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60304213T
Other languages
German (de)
Other versions
DE60304213T2 (en
Inventor
Alexandre Heubi
Christian Caduff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
On Semiconductor Trading Ltd
Original Assignee
DSPFACTORY S A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DSPFACTORY S A filed Critical DSPFACTORY S A
Publication of DE60304213D1 publication Critical patent/DE60304213D1/en
Application granted granted Critical
Publication of DE60304213T2 publication Critical patent/DE60304213T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Analogue/Digital Conversion (AREA)
DE60304213T 2002-08-14 2003-08-12 CLASS-D AMPLIFIER Expired - Lifetime DE60304213T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US40328602P 2002-08-14 2002-08-14
US403286P 2002-08-14
PCT/EP2003/008945 WO2004017513A1 (en) 2002-08-14 2003-08-12 Amplifier

Publications (2)

Publication Number Publication Date
DE60304213D1 true DE60304213D1 (en) 2006-05-11
DE60304213T2 DE60304213T2 (en) 2007-03-29

Family

ID=31715969

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60304213T Expired - Lifetime DE60304213T2 (en) 2002-08-14 2003-08-12 CLASS-D AMPLIFIER

Country Status (6)

Country Link
EP (1) EP1529340B1 (en)
AU (1) AU2003263214A1 (en)
CA (2) CA2494265C (en)
DE (1) DE60304213T2 (en)
DK (1) DK1529340T3 (en)
WO (1) WO2004017513A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1738754B1 (en) * 2004-04-14 2015-07-15 Takeda Pharmaceutical Company Limited Solid pharmaceutical preparation
EP2573938A1 (en) * 2011-09-22 2013-03-27 Alcatel Lucent A method for signal amplification based on pulse width modulation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164714A (en) * 1977-09-26 1979-08-14 Harris Corporation Polyphase PDM amplifier
JPS6059764B2 (en) * 1979-12-17 1985-12-26 松下電器産業株式会社 power amplifier
JP2000031810A (en) * 1998-07-10 2000-01-28 Fujitsu Ltd Driver circuit
WO2000007291A2 (en) * 1998-07-24 2000-02-10 Toccata Technology Aps A method of attenuating zero crossing distortion and noise in an amplifier, an amplifier and uses of the method and the amplifier
US6262632B1 (en) * 1999-11-16 2001-07-17 Texas Instruments Incorporated Concept and method to enable filterless, efficient operation of Class-D amplifiers
US20020060605A1 (en) * 2000-09-22 2002-05-23 Kowkutla Venkateswar R. Amplifiers
US6605991B2 (en) * 2001-08-30 2003-08-12 Motorola, Inc. Circuitry for creating a spectral null in a differential output switching amplifier and method therefor

Also Published As

Publication number Publication date
WO2004017513A1 (en) 2004-02-26
DE60304213T2 (en) 2007-03-29
AU2003263214A1 (en) 2004-03-03
CA2494265A1 (en) 2004-02-26
EP1529340A1 (en) 2005-05-11
CA2494265C (en) 2010-06-01
CA2437222A1 (en) 2004-02-14
DK1529340T3 (en) 2006-06-12
EP1529340B1 (en) 2006-03-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: EMMA MIXED SIGNAL C.V., AMSTERDAM, NL

8327 Change in the person/name/address of the patent owner

Owner name: ON SEMICONDUCTOR TRADING LTD., HAMILTON, BM

R082 Change of representative

Ref document number: 1529340

Country of ref document: EP

Representative=s name: STOLMAR SCHEELE & PARTNER, DE